APA (7th ed.) Citation

Hawker, M. F. J., & Keenlyside, J. F. (1985). Horticultural machinery (3rd ed.). Longman.

Chicago Style (17th ed.) Citation

Hawker, M. F. J., and J. F. Keenlyside. Horticultural Machinery. 3rd ed. London: Longman, 1985.

MLA (9th ed.) Citation

Hawker, M. F. J., and J. F. Keenlyside. Horticultural Machinery. 3rd ed. Longman, 1985.